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<table width="100%" summary="page for caith"><tr><td>caith</td><td align="right">R Documentation</td></tr></table>

<h2>
Colours of Eyes and Hair of People in Caithness
</h2>

<h3>Description</h3>


<p>Data on the cross-classification of people in Caithness, Scotland, by
eye and hair colour. The region of the UK is particularly interesting
as there is a mixture of people of Nordic, Celtic and Anglo-Saxon origin.
</p>


<h3>Usage</h3>

<pre>
caith
</pre>


<h3>Format</h3>


<p>A 4 by 5 table with rows the eye colours (blue, light, medium, dark) and
columns the hair colours (fair, red, medium, dark, black).
</p>


<h3>Source</h3>


<p>Fisher, R.A. (1940) The precision of discriminant functions.
<EM>Annals of Eugenics (London)</EM> <B>10</B>, 422&ndash;429.
</p>


<h3>References</h3>


<p>Venables, W. N. and Ripley, B. D. (2002)
<EM>Modern Applied Statistics with S.</EM> Fourth edition.  Springer.
</p>


<h3>Examples</h3>

<pre>
corresp(caith)
dimnames(caith)[[2]] &lt;- c("F", "R", "M", "D", "B")
par(mfcol=c(1,3))
plot(corresp(caith, nf=2)); title("symmetric")
plot(corresp(caith, nf=2), type="rows"); title("rows")
plot(corresp(caith, nf=2), type="col"); title("columns")
par(mfrow=c(1,1))
</pre>


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